Power

Physics: Cambridge International GCSE Supplement, topic 1.12.1

Power

Power is the rate of energy transfer (or work done). The faster that energy is transferred (or work is done), the higher the power.

Speakers

Speakers

  • The more powerful a set of speakers is, the more sound energy will be produced.
Lightbulbs

Lightbulbs

  • The more powerful a lightbulb is, the more light energy will be produced.

Test yourself on Power

  • What is power the rate of?

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